Danger in east Kerry, oddly, tampering with unknown cosmic power (4,6)

I believe the answer is:

dark energy

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'danger in east kerry oddly tampering with unknown' is the definition.
I don't know anything about this answer so I cannot judge whether this works.

'cosmic power' is the wordplay.
'cosmic' becomes 'dark' (I can't justify this - if you can you should give a lot more credence to this answer).
'power' becomes 'energy' (synonyms).
'dark'+'energy'='DARK ENERGY'

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I've seen this clue in The Irish Times.

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